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Methyl tert-butyl ether (MTBE),C5H12O , a gasoline additive used to boost octane ratings, delta H f has = -313.6 kJ/mol.

C5H12O (l) + 15/2 O2 (g) ---> 5Co2 (g) + 6 H2O (l)

Calculate its standard heat of combustion in kilojoules.

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